Anatomy & Histology · single question
Which nerve is anesthetized when LA is given at the base of a lesion on the LATERAL surface of the tongue?
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Correct answer: B. Lingual nerve
- A. The glossopharyngeal supplies the posterior third (taste/general sensation), not the anterior lateral border.
- B. Correct. The lingual nerve provides general sensation to the anterior two-thirds and lateral border of the tongue.
- C. The hypoglossal is MOTOR to the tongue, not sensory.
- D. The IAN supplies the mandibular teeth, not the tongue surface.
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